<div data-uri="cms.cnn.com/_components/video-resource/instances/cm47327qb00253b6magxqurq5@published" data-component-name="video-resource" data-editable="settings" class="video-resource" data-fixed-ratio="16×9" data-index="idx-6" data-canonical-url-path="/2024/11/23/health/video/fluoride-us-water-supply-watt-pkg-digvid" data-video-instance="cms.cnn.com/_components/video-resource/instances/cm47327qb00253b6magxqurq5@published" data-parent-uri="cms.cnn.com/_components/video-resource/instances/cm3uru2fm00003b6jlo4yug48@published" data-video-id="me46a985197eff34da14c74faec45339d149be0b3a" data-media-id="me46a985197eff34da14c74faec45339d149be0b3a" data-live data-headline="Fluoride skepticism goes mainstream, according to some" data-has-video-player="true" data-description="<p>CNN's Nick Watt takes a closer look at the history of fluoride in the US water supply.</p>" data-duration="02:58" data-source-html='<span class="video-resource__source"> – Source:

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By <a class=”byline__link vossi-byline__link” href=https://www.cnn.com/profiles/nick-watt><span class=”byline__name”>Nick Watt</span></a>, CNN
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Fluoride skepticism goes mainstream, according to some

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Why are teens so drawn to social media? Dr. Sanjay Gupta explains

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